Home / 302,516.30-453,774.45-288,738.20

Finding the Fourth Proportional to 302,516.30, 453,774.45 and 288,738.20

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Solution

The fourth proportional to 302,516.30, 453,774.45 and 288,738.20 is: 433,107.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,516.30 : 453,774.45 = 288,738.20 : x
  2. Step 2: Convert to fraction form
    302,516.30/453,774.45 = 288,738.20/x
  3. Step 3: Cross multiply
    302,516.30x = 453,774.45 × 288,738.20
  4. Step 4: Simplify right side
    302,516.30x = 131,022,017,898.99
  5. Step 5: Solve for x
    x = 131,022,017,898.99/302,516.30
  6. Step 6: Final answer
    x = 433,107.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.